{"uid":"cap_Qq4z_ijw_EBL5JdFUGc1w","slug":"percent-increase-decrease-calculator-bfb34ec0","name":"Percent Increase/Decrease Calculator","description":"Calculate a percent increase or decrease applied to a number, or the percent change between an old and new value, with exact results every time. For sales and pricing agents, budget variance tracking, and any tool comparing before-and-after figures without approximation.","url":"https://x402.forgemesh.io/percent-increase-decrease","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"a":{"type":"string"},"b":{"type":"string"},"operation":{"type":"string","description":"of | is_what_percent | change | increase | decrease"}}},"responseSchema":{"type":"json","example":{"result":"25 %","operation":"% change 80 → 100"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xIACMZyrtQX9ZUwTM-Gr4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates percent increase, percent decrease, percent change, or what percent one number is of another, returning exact results.","exampleAgentPrompt":"What's the percent increase from 240 to 315? Use the 'increase' operation with a=240 and b=315.","exampleUseCases":null,"resultDescription":"An exact numeric result representing the computed percentage — such as the percent increase, decrease, change, or the percentage that one value is of another — based on the operation and inputs provided.","failureModes":["Missing or invalid 'a' or 'b' parameters — returns error","Invalid 'operation' value not in the allowed enum (of, is_what_percent, change, increase, decrease) — returns error","Division by zero if base value 'a' is zero for certain operations","Non-numeric string values for 'a' or 'b' — parsing error"],"whenToPreferThis":"Use this endpoint when you need exact, reliable percentage computations — particularly for sales price comparisons, budget variance tracking, discount calculations, or any before-and-after analysis where approximation is unacceptable. Prefer this over in-context LLM math for guaranteed precision.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:04:56.389Z","isFirstParty":false}